You are viewing this page in an unauthorized frame window.
This is a potential security issue, you are being redirected to
https://nvd.nist.gov
An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
This CVE record is not being prioritized for NVD enrichment efforts due to resource or other concerns.
Current Description
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows guest local OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to nvd@nist.gov.
Configuration 1
OR
*cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
Configuration 1
OR
*cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
Configuration 2
OR
*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
CVE Translated by NIST7/14/2016 6:45:01 PM
Action
Type
Old Value
New Value
Added
Translation
La función __switch_to en arch/x86/kernel/process_64.c en el kernel de Linux no sustituye correctamente el conmutador de contexto IOPL en invitados 64-bit PV Xen, lo que permite a usuarios locales del SO invitado obtener privilegios, provocar una denegación de servicio (caída del SO invitado), u obtener información sensible aprovechando el puerto de acceso I/O.
Removed
Translation
La función __switch_to en arch/x86/kernel/process_64.c en el kernel de Linux no sustituye correctamente el conmutador de contexto IOPL en invitados 64-bit PV Xen, lo que permite a usuarios del SO locales invitados obtener privilegios, provocar una denegación de servicio (caída de SO invitado) u obtener información sensible aprovechando el puerto de acceso I/O.
CVE Modified by MITRE7/13/2016 10:00:38 PM
Action
Type
Old Value
New Value
Changed
Description
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows guest local OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Added
Reference
http://www.ubuntu.com/usn/USN-2996-1
Added
Reference
http://www.ubuntu.com/usn/USN-2997-1
Modified Analysis by NIST4/25/2016 8:40:40 AM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added
CWE
CWE-264
Added
CPE Configuration
Configuration 1
OR
*cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
Changed
Reference Type
http://xenbits.xen.org/xsa/advisory-171.html No Types Assigned
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows guest local OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Quick Info
CVE Dictionary Entry: CVE-2016-3157 NVD
Published Date: 04/12/2016 NVD
Last Modified: 04/12/2025
Source: MITRE
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
